The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 25, 1980
Filed:
Feb. 12, 1979
Applicant:
Inventor:
Wilhelm Tiemann, Bubenreuth near Erlangen, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
313-1 ; 313 94 ; 313485 ; 313495 ;
Abstract
A plasma image display device with a gas discharge space and an electron acceleration space in which the gas discharge space is divided off from the electron acceleration space by a light transparent, high vacuum tight partition having a side facing a fluorescent screen which is provided with a photo cathode as an electron source to provide, due to high accelerating voltages, a high image amplification and good image definition.